diff options
Diffstat (limited to 'gnu/packages/patches/gnupg-1.4-CVE-2018-12020.patch')
| -rw-r--r-- | gnu/packages/patches/gnupg-1.4-CVE-2018-12020.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gnu/packages/patches/gnupg-1.4-CVE-2018-12020.patch b/gnu/packages/patches/gnupg-1.4-CVE-2018-12020.patch new file mode 100644 index 0000000000..306d4d348b --- /dev/null +++ b/gnu/packages/patches/gnupg-1.4-CVE-2018-12020.patch @@ -0,0 +1,50 @@ +Fix CVE-2018-12020: + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12020 +https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.html + +Patch copied from upstream source repository: + +https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=2326851c60793653069494379b16d84e4c10a0ac + +From 2326851c60793653069494379b16d84e4c10a0ac Mon Sep 17 00:00:00 2001 +From: Werner Koch <wk@gnupg.org> +Date: Fri, 8 Jun 2018 10:45:21 +0200 +Subject: [PATCH] gpg: Sanitize diagnostic with the original file name. + +* g10/mainproc.c (proc_plaintext): Sanitize verbose output. +-- + +This fixes a forgotten sanitation of user supplied data in a verbose +mode diagnostic. The mention CVE is about using this to inject +status-fd lines into the stderr output. Other harm good as well be +done. Note that GPGME based applications are not affected because +GPGME does not fold status output into stderr. + +CVE-id: CVE-2018-12020 +GnuPG-bug-id: 4012 +(cherry picked from commit 13f135c7a252cc46cff96e75968d92b6dc8dce1b) +--- + g10/mainproc.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +diff --git a/g10/mainproc.c b/g10/mainproc.c +index 33a654b34..ffa7ef6d8 100644 +--- a/g10/mainproc.c ++++ b/g10/mainproc.c +@@ -638,7 +638,11 @@ proc_plaintext( CTX c, PACKET *pkt ) + if( pt->namelen == 8 && !memcmp( pt->name, "_CONSOLE", 8 ) ) + log_info(_("NOTE: sender requested \"for-your-eyes-only\"\n")); + else if( opt.verbose ) +- log_info(_("original file name='%.*s'\n"), pt->namelen, pt->name); ++ { ++ char *tmp = make_printable_string (pt->name, pt->namelen, 0); ++ log_info (_("original file name='%.*s'\n"), (int)strlen (tmp), tmp); ++ xfree (tmp); ++ } + free_md_filter_context( &c->mfx ); + c->mfx.md = md_open( 0, 0); + /* fixme: we may need to push the textfilter if we have sigclass 1 +-- +2.17.1 + |